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A sound approach to improving exoskeletons and exosuits
1Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Chapel Hill, NC, USA.
Science Robotics
|November 10, 2021
Summary
Integrating ultrasound imaging into exosuits improves how muscles and machines work together, making walking more efficient. This technology enhances locomotion economy through better muscle-machine coordination.
Area of Science:
- Biomechanics
- Robotics
- Human-Machine Interaction
Background:
- Exosuits aim to augment human locomotion.
- Effective muscle-machine coordination is crucial for exosuit performance.
- Real-time feedback on muscle activity can optimize control.
Purpose of the Study:
- To investigate the impact of onboard ultrasound imaging on exosuit-assisted locomotion.
- To determine if ultrasound enhances muscle-machine coordination and improves economy of locomotion.
Main Methods:
- An exosuit equipped with integrated ultrasound imaging was developed.
- Participants performed locomotion tasks with and without the ultrasound-integrated exosuit.
- Muscle activity and kinematic data were collected to assess coordination and economy.
Main Results:
- Onboard ultrasound imaging significantly improved muscle-machine coordination during exosuit use.
- Locomotion economy was enhanced when ultrasound feedback was integrated into the exosuit control system.
Conclusions:
- Integrating onboard ultrasound imaging is a viable strategy to improve exosuit control.
- This technology offers a promising approach to enhance human-machine synergy for augmented locomotion.
